If you always put limit on everything you do, physical or anything else. It will spread into your work and into your life. There are no limits. There are only plateaus, and you must not stay there, you must go beyond them.
I had wanted to play drums since the age of 9 when I saw a drum set in the window of a music store for the first time. We took lessons at a local music school and began playing together after about 6-9 months of lessons.
When we play 'Angel of Death', it's actually a 2 and half minutes sing 'til our party starts. That song is pretty much been played traditionally in the end.